Retaining strap



FIG. 1 is an isometric view of a retaining strap in a closed condition showing my new design.

FIG. 2 is an isometric view of a retaining strap in an open condition showing my new design

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear plan view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top elevation view thereof; and,

FIG. 8 is a bottom plan view thereof. 

CLAIM The ornamental design for a retaining strap, as shown and described. 